As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - ENG1 - FUEL FILTER CLOG. CMS 733411 SOURCE EEC1A CLASS1 HARD FUEL FILTER (E1-5051EB) NOTED. REPLACED FUEL FILTER ON ENG1. ALSO ACCOMPLISHED DVI OF DIFF PRESS SWITCH, ELEC CONNECTOR & WIRE COND. DVI NORMAL. VERIFIED RELATED MSG NO DISPLAY. ACCOMPLISHED ENG RUN. LEAK CK OK PER AMM 71-00-00.